US Patent Issued to Valve on May 6 for "Head-mounted display devices with non-rectangular backlight" (Washington Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,592, issued on May 6, was assigned to Valve Corp. (Bellevue, Wash.).

"Head-mounted display devices with non-rectangular backlight" was invented by Joshua Mark Hudman (Issaquah, Wash.) and Douglas Vanderwel (Kent, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight assembly includes a display panel (such as a liquid crystal display), an optics system for focusing a portion of the display onto an eye of a user, a light guide, a plurality of extraction features positioned on a surface of the light guide, and at least one laser diode for directing light into the light guide. The light guide is sized and dimensioned to illuminate only a port...